Planet Pandora - UE 5.5 - Lumens - Open World Game Lighting - Inspired by Avatar Frontier

I used Avatar the movie and game Avatar Frontier as a guidelines and reference to light my version. I used physically correct values and heavily setup atmosphere sky to mimic real life mie/rayleigh and colors based on research. One of the key research was https://planetplanet.net/2022/12/14/pandora-the-moon-world-from-avatar-revisited/

I am using 120k Lux. Skylight 2. Complicated Atmosphere setup. Various techniques to fill in the darkness. This is part of my lumen chapter at https://courses.lightingbot.com/ultimate-game-lighting-education-pbr-pbl-cpu-gpu-lumens-ssgi-under-development-early-bird-discount
which you can get a discount for if you DM before I finish the CPU/GPU Chapter.